Comedy is Hard - DRYing up Jasmine Specs with Shared Behavior

Refactoring common specs with @jasmineBDD to achieve #dry #tdd

When writing nicely encapsulated code and you have a group of objects that share an interface (pick your favorite patterns), you often want to share your test code as well. If the system models financial accounts with credits and debits, and you make a change to the reconciliation code, you want to run a core set of specs against all cash, loan, and credit card account objects. People ask how to do this in JavaScript on the Jasmine mailing list every so often. So here's an example of "Shared Example Groups" in Jasmine . This Game spec looks totally fine for a basic ball game. But what if I want to have multiple different types of ball games? Here are specs for Basketball and (American) Football: The specs related to the Game itself are inline. That doesn't feel very DRY and really, we want to test the interface with the same code. We're working in JavaScript. So we write a...

Full article: http://pivotallabs.com/users/dwfrank/blog/articles/1720-d...